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Analog Devices - Multiplexer / Demultiplexer Bus Switch

Numéro de référence ADG3248
Description Multiplexer / Demultiplexer Bus Switch
Fabricant Analog Devices 
Logo Analog Devices 





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ADG3248 fiche technique
FEATURES
225 ps propagation delay through the switch
4.5 Ω switch connection between ports
Data rate 1.244 Gbps
2.5 V/3.3 V supply operation
Level translation
3.3 V to 2.5 V
2.5 V to 1.8 V
Small signal bandwidth 610 MHz
6-lead SC70 package
APPLICATIONS
3.3 V to 2.5 V voltage translation
2.5 V to 1.8 V voltage translation
Bus switching
Docking stations
Memory switching
Analog switch applications
GENERAL DESCRIPTION
The ADG3248 is a 2.5 V or 3.3 V, high performance 2:1
multiplexer/demultiplexer. It is designed on a low voltage
CMOS process, which provides low power dissipation yet gives
high switching speed and very low on resistance. The low on
resistance allows the input to be connected to the output
without additional propagation delay or generating additional
ground bounce noise.
Each switch of the ADG3248 conducts equally well in both
directions when on. The ADG3248 exhibits break-before-make
switching action, preventing momentary shorting when
switching channels.
The ADG3248 is available in a tiny 6-lead SC70 package.
2.5 V/3.3 V, 2:1 Multiplexer/
Demultiplexer Bus Switch
ADG3248
FUNCTIONAL BLOCK DIAGRAM
ADG3248
A0
B
A1
IN
NOTES
1. SWITCHES SHOWN FOR A LOGIC 0 INPUT
Figure 1.
Table 1. ADG3248 Truth Table
IN Pin Logic Level Function
Low (L)
B = A0
High (H)
B = A1
PRODUCT HIGHLIGHTS
1. 3.3 V or 2.5 V supply operation.
2. Extremely low propagation delay through switch.
3. 4.5 Ω switches connect inputs to outputs.
4. Tiny SC70 package.
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2003–2007 Analog Devices, Inc. All rights reserved.

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